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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 28 — Oct. 1, 1990
  • pp: 4077–4080

High numerical aperture planar microlens with swelled structure

M. Oikawa, H. Nemoto, K. Hamanaka, and E. Okuda  »View Author Affiliations


Applied Optics, Vol. 29, Issue 28, pp. 4077-4080 (1990)
http://dx.doi.org/10.1364/AO.29.004077


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Abstract

The planar microlens is a 2-D integrated microlens fabricated by the selective ion exchange technique. This paper demonstrates a new class of planar microlens which has a high numerical aperture. The new planar microlens uses a swelling structure and index distribution which comes from replacing ions with different ion volumes. Lens diameters from 10 to 400 μm can be fabricated. A numerical aperture larger than 0.5 is achieved when the lens diameter is smaller than 100 μm. Use of this microlens in light coupling between an LD and a single-mode fiber is also evaluated.

© 1990 Optical Society of America

History
Original Manuscript: November 17, 1989
Published: October 1, 1990

Citation
M. Oikawa, H. Nemoto, K. Hamanaka, and E. Okuda, "High numerical aperture planar microlens with swelled structure," Appl. Opt. 29, 4077-4080 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-28-4077

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